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  Subjects -> METEOROLOGY (Total: 106 journals)
Showing 1 - 36 of 36 Journals sorted alphabetically
Acta Meteorologica Sinica     Hybrid Journal   (Followers: 4)
Advances in Atmospheric Sciences     Hybrid Journal   (Followers: 43)
Advances in Climate Change Research     Open Access   (Followers: 59)
Advances in Meteorology     Open Access   (Followers: 23)
Advances in Statistical Climatology, Meteorology and Oceanography     Open Access   (Followers: 11)
Aeolian Research     Hybrid Journal   (Followers: 7)
Agricultural and Forest Meteorology     Hybrid Journal   (Followers: 20)
American Journal of Climate Change     Open Access   (Followers: 41)
Atmósfera     Open Access   (Followers: 2)
Atmosphere     Open Access   (Followers: 32)
Atmosphere-Ocean     Full-text available via subscription   (Followers: 15)
Atmospheric and Oceanic Science Letters     Open Access   (Followers: 9)
Atmospheric Chemistry and Physics (ACP)     Open Access   (Followers: 43)
Atmospheric Chemistry and Physics Discussions (ACPD)     Open Access   (Followers: 15)
Atmospheric Environment     Hybrid Journal   (Followers: 72)
Atmospheric Environment : X     Open Access   (Followers: 3)
Atmospheric Research     Hybrid Journal   (Followers: 72)
Atmospheric Science Letters     Open Access   (Followers: 39)
Boundary-Layer Meteorology     Hybrid Journal   (Followers: 29)
Bulletin of Atmospheric Science and Technology     Hybrid Journal   (Followers: 5)
Bulletin of the American Meteorological Society     Open Access   (Followers: 62)
Carbon Balance and Management     Open Access   (Followers: 6)
Ciencia, Ambiente y Clima     Open Access   (Followers: 1)
Climate     Open Access   (Followers: 6)
Climate and Energy     Full-text available via subscription   (Followers: 8)
Climate Change Economics     Hybrid Journal   (Followers: 50)
Climate Change Responses     Open Access   (Followers: 27)
Climate Dynamics     Hybrid Journal   (Followers: 44)
Climate Law     Hybrid Journal   (Followers: 6)
Climate of the Past (CP)     Open Access   (Followers: 7)
Climate of the Past Discussions (CPD)     Open Access   (Followers: 1)
Climate Policy     Hybrid Journal   (Followers: 53)
Climate Research     Hybrid Journal   (Followers: 8)
Climate Resilience and Sustainability     Open Access   (Followers: 26)
Climate Risk Management     Open Access   (Followers: 12)
Climate Services     Open Access   (Followers: 4)
Climatic Change     Open Access   (Followers: 71)
Current Climate Change Reports     Hybrid Journal   (Followers: 22)
Dynamics and Statistics of the Climate System     Open Access   (Followers: 6)
Dynamics of Atmospheres and Oceans     Hybrid Journal   (Followers: 18)
Earth Perspectives - Transdisciplinarity Enabled     Open Access   (Followers: 1)
Economics of Disasters and Climate Change     Hybrid Journal   (Followers: 16)
Energy & Environment     Hybrid Journal   (Followers: 26)
Environmental and Climate Technologies     Open Access   (Followers: 3)
Environmental Dynamics and Global Climate Change     Open Access   (Followers: 24)
Frontiers in Climate     Open Access   (Followers: 4)
GeoHazards     Open Access   (Followers: 2)
Global Meteorology     Open Access   (Followers: 17)
International Journal of Atmospheric Sciences     Open Access   (Followers: 24)
International Journal of Biometeorology     Hybrid Journal   (Followers: 3)
International Journal of Climate Change Strategies and Management     Hybrid Journal   (Followers: 32)
International Journal of Climatology     Hybrid Journal   (Followers: 28)
International Journal of Environment and Climate Change     Open Access   (Followers: 24)
International Journal of Image and Data Fusion     Hybrid Journal   (Followers: 3)
Journal of Agricultural Meteorology     Open Access  
Journal of Applied Meteorology and Climatology     Hybrid Journal   (Followers: 40)
Journal of Atmospheric and Oceanic Technology     Hybrid Journal   (Followers: 33)
Journal of Atmospheric and Solar-Terrestrial Physics     Hybrid Journal   (Followers: 159)
Journal of Atmospheric Chemistry     Hybrid Journal   (Followers: 23)
Journal of Climate     Hybrid Journal   (Followers: 55)
Journal of Climate Change     Full-text available via subscription   (Followers: 25)
Journal of Climate Change and Health     Open Access   (Followers: 6)
Journal of Climatology     Open Access   (Followers: 3)
Journal of Economic Literature     Hybrid Journal   (Followers: 19)
Journal of Hydrology and Meteorology     Open Access   (Followers: 39)
Journal of Hydrometeorology     Hybrid Journal   (Followers: 9)
Journal of Integrative Environmental Sciences     Hybrid Journal   (Followers: 4)
Journal of Meteorological Research     Full-text available via subscription   (Followers: 2)
Journal of Meteorology and Climate Science     Full-text available via subscription   (Followers: 17)
Journal of Space Weather and Space Climate     Open Access   (Followers: 30)
Journal of the Atmospheric Sciences     Hybrid Journal   (Followers: 79)
Journal of the Meteorological Society of Japan     Partially Free   (Followers: 7)
Journal of Weather Modification     Full-text available via subscription   (Followers: 3)
Mediterranean Marine Science     Open Access   (Followers: 2)
Meteorologica     Open Access   (Followers: 2)
Meteorological Applications     Open Access   (Followers: 4)
Meteorological Monographs     Hybrid Journal   (Followers: 1)
Meteorologische Zeitschrift     Full-text available via subscription   (Followers: 4)
Meteorology and Atmospheric Physics     Hybrid Journal   (Followers: 28)
Mètode Science Studies Journal : Annual Review     Open Access  
Michigan Journal of Sustainability     Open Access   (Followers: 1)
Modeling Earth Systems and Environment     Hybrid Journal   (Followers: 1)
Monthly Notices of the Royal Astronomical Society     Hybrid Journal   (Followers: 13)
Monthly Weather Review     Hybrid Journal   (Followers: 29)
Nature Climate Change     Full-text available via subscription   (Followers: 150)
Nature Reports Climate Change     Full-text available via subscription   (Followers: 39)
Nīvār     Open Access   (Followers: 1)
npj Climate and Atmospheric Science     Open Access   (Followers: 3)
Open Atmospheric Science Journal     Open Access   (Followers: 4)
Open Journal of Modern Hydrology     Open Access   (Followers: 5)
Oxford Open Climate Change     Open Access   (Followers: 5)
Revista Iberoamericana de Bioeconomía y Cambio Climático     Open Access   (Followers: 1)
Russian Meteorology and Hydrology     Hybrid Journal   (Followers: 3)
Space Weather     Full-text available via subscription   (Followers: 27)
Studia Geophysica et Geodaetica     Hybrid Journal   (Followers: 1)
Tellus A     Open Access   (Followers: 21)
Tellus B     Open Access   (Followers: 20)
The Cryosphere (TC)     Open Access   (Followers: 8)
The Quarterly Journal of the Royal Meteorological Society     Hybrid Journal   (Followers: 31)
Theoretical and Applied Climatology     Hybrid Journal   (Followers: 13)
Tropical Cyclone Research and Review     Open Access   (Followers: 1)
Urban Climate     Hybrid Journal   (Followers: 4)
Weather and Climate Dynamics     Open Access   (Followers: 1)
Weather and Climate Extremes     Open Access   (Followers: 17)
Weather and Forecasting     Hybrid Journal   (Followers: 42)
Weatherwise     Hybrid Journal   (Followers: 18)
气候与环境研究     Full-text available via subscription   (Followers: 2)

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Similar Journals
Journal Cover
Russian Meteorology and Hydrology
Journal Prestige (SJR): 0.206
Number of Followers: 3  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1934-8096 - ISSN (Online) 1068-3739
Published by Springer-Verlag Homepage  [2469 journals]
  • Modeling Evolution of Drought Conditions in the 21st Century to
           Substantiate Measures for Adaption of Russian Agriculture to Climate
           Impacts

    • Free pre-print version: Loading...

      Abstract: The spatiotemporal evolution of actual and potential evapotranspiration and water deficit (stress) of the irrigated surfaces during the 21st century influenced by the changes in the meteorological drought characteristics is analyzed for the southern regions of European Russia for individual months of the growing season. The joint system of the MGO regional climate model and the mesoscale atmospheric boundary layer model is used to estimate regional and local climate change. The effect of the evapotranspiration evaluation method on the resulting estimates is investigated. The expansion of the territory affected by droughts of various severity is projected for all months of the growing season. It is shown that the major risk for vegetation due to water deficit during droughts may be expected at the beginning of the growing season.
      PubDate: 2022-05-01
       
  • Projected Changes in Rare Precipitation Extremes: Results of Regional
           Climate Modeling for the Territory of Russia

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      Abstract: The problem is considered of estimating expected climatic changes over the territory of Russia in relation to the characteristics of rare precipitation extremes, which are widely used in designing various structures and technical systems. Based on numerous ensemble experiments with a high-resolution regional climate model and the extreme value modeling approach, future changes in the intensity and frequency of rare extremes for seasonal and annual 1- and 5-day precipitation maxima are analyzed. Particular attention is paid to the uncertainty of the projections on various timescales. Important spatial peculiarities of changes in the analyzed rare precipitation extremes are identified, which is reasonable to take into account when adapting to climate change at the regional level.
      PubDate: 2022-05-01
       
  • In Search of an X Factor: A Review of Publications on the Issue of
           Dark-needled Forest Decline/Dieback in Northern Eurasia

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      Abstract: A critical review of contemporary publications searching for the causes of the decline/dieback of dark-needled forests in the boreal and temperate zones over Northern Eurasia with an emphasis on the southern Siberian mountains is presented. Three groups of factors were considered: primary abiotic factors that weaken the tree defense mechanism (climate aridization, total ozone column, ultraviolet radiation (UV-B), dimming), anthropogenic factors (air pollution), and secondary biotic factors (invasive insect pests and phytopatogens that inhabit weakened trees, which finally leads to their decline/dieback). As there is no irrefutable evidence of the fatal impact of one particular factor, a synergic effect of some of them is possible against a certain climatic background. Further investigations are necessary to find out causes for the dark-needled forest decline/dieback in Northern Eurasia.
      PubDate: 2022-05-01
       
  • Spatiotemporal Structure of Runoff Fields in the Don River Basin in a
           Changing Climate

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      Abstract: Changes in the spatial structure of runoff fields in the Don River basin due to the revealed non-stationarity of the hydrological regime are investigated. It is shown that the spatial correlation of the spring flood runoff layers, winter and summer-autumn low runoff, as well as snow storage have changed significantly. The chaotic pattern of the spatial correlation was gained, as a result of which the fields of the studied runoff characteristics became heterogeneous and anisotropic.
      PubDate: 2022-05-01
       
  • Possible Climate Change in Russia in the 21st Century Based on the
           INM-CM5-0 Climate Model

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      Abstract: Possible climate changes in Russia during the 21st century are considered based on the INM-CM5-0 climate model. According to the SSP3-7.0 scenario, the warming by 5–8°C in winter and by 3–4.5°C in summer are expected in Russia at the end of the 21st century. Minimum annual temperatures will rise faster than winter mean ones. Maximum annual temperatures will rise faster that summer mean ones. An increase in precipitation will occur across Russia in winter, while its decrease is expected in southern and central European Russia and in the south of Western Siberia in summer. The contribution of light precipitation will decrease, while the contribution of heavy and very heavy precipitation will increase. An increase in annual mean river runoff and a decrease in upper soil moisture in summer are expected nearly everywhere in Russia.
      PubDate: 2022-05-01
       
  • Atmospheric Severe Convective Events in Russia: Changes Observed from
           Different Data

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      Abstract: Changes in the frequency and intensity of atmospheric severe convective events, including heavy rainfall, thunderstorm, hailstorm, squall, and tornado, in the Russian regions during the warm season are analyzed using different independent sources of information. Based on observations at Russian weather stations in 1966–2020, the frequency of thunderstorm, hailstorm, and strong wind, the contribution of extreme showers to total precipitation, and the cumulonimbus cloud fraction are estimated. Based on satellite data, the frequency and intensity of tornado and squall events that caused windthrows for 1986–2021 and the height of the top of deep convective clouds for 2002–2021 are also evaluated. The ERA5 reanalysis data are used to analyze the frequency of conditions favorable for the development of moderate and intense severe convective events in 1979–2020. The results indicate a general intensification of severe convective events in most Russian regions, except for a number of regions in the south of the European part of Russia. The frequency of moderate hazards has a decreasing trend, and the frequency of the most intense severe hazards has an increasing trend. It is reasonable to take the results into account when developing plans for the adaptation of Russian regions and industries to climate change.
      PubDate: 2022-05-01
       
  • Bayesian Projections of the Amur and Selenga River Runoff Changes in the
           21st Century Based on CMIP6 Model Ensemble Simulations

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      Abstract: The analysis is carried out for changes in runoff of the Amur and Selenga rivers in the 21st century according to the CMIP6 (Coupled Model Intercomparison Project, Phase 6) climate model ensemble simulations using the Bayesian approach versus stream gage data on annual runoff and GPCP-2.3 dataset on annual precipitation over catchments on different timescales. For both catchments, significant intermodel differences are associated with the projections of multiyear mean runoff and interannual variability. The intermodel distribution of Bayesian weights indicates a high role of uncertainty related to initial conditions for model simulations. There is a positive trend in total runoff in the Amur River basin in the 21st century under all analyzed anthropogenic forcing scenarios. For total runoff of the Selenga River, there are no trends in the 21st century for all analyzed scenarios. No significant trends for the Amur and Selenga surface runoff were revealed for all algorithms for considering Bayesian weights and all anthropogenic forcing scenarios. At the same time, significant interdecadal variations in the interannual variability of runoff were found.
      PubDate: 2022-05-01
       
  • Anomalous Winter and Summer Weather Patterns over Russia in the 21st
           Century as Simulated by CMIP6 Models

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      Abstract: The recent studies relevant to cold winter atmospheric anomalies in the Northern Hemisphere are briefly reviewed, and causes for their development and possible connections with the Arctic amplification of warming are discussed. An expected frequency of occurrence of anomalous air temperature and precipitation patterns is evaluated over Northern Eurasia in the 21st century under conditions of anthropogenic growth in the atmospheric greenhouse gas concentration. The evaluation was carried out using a multi-model ensemble consisting of nine CMIP6 climate models with two scenarios of greenhouse gas forcing. The analysis revealed that warm and wet winters with frequent 0°C crossing would be more frequent in Russia by the middle of the 21st century. Unfavorable conditions may result from more frequent summer hot and dry patterns in the regions of advanced farming and increased wildfires in the European part of Russia and Western Siberia. The most negative consequences of climate change may be associated with an implementation of the rough SSP5-8.5 forcing scenario at the end of the 21st century.
      PubDate: 2022-05-01
       
  • Sustainability of Arctic Ecosystems in a Changing Climate

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      Abstract: Observations indicate that climate change has already affected Arctic ecosystems. Their sustainability in the 21st century was assessed by analyzing climate projections and providing permafrost and vegetation model simulations. The testing of 27 CMIP6 climate models revealed 19 top-ranked models that reproduce observed climate change in the Arctic with small errors. A region-optimized ensemble projection was constructed on their basis. The vegetation and permafrost sustainability indices were developed for climate change conditions, model simulations were performed, and digital maps of the indices were constructed. They allow assessing investment risks in the projects of socioeconomic and infrastructural development in the Arctic under conditions of changing climate.
      PubDate: 2022-05-01
       
  • Criteria to Identify Polar Lows

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      Abstract: The cases of polar lows (PLs) over the Norwegian and Barents seas in 2013, in the vicinity of Severnaya Zemlya in 2015, and in the near-edge zone of the Laptev Sea in 2021 were analyzed using the reanalysis and the WRF-ARW model simulations. A combination of criteria was selected that are sufficient for identifying PLs and analyzing their size and intensity in a convenient and understandable form. These criteria are the estimates of helicity as an integral characteristic related to integral vortex formations and a kinematic vorticity number. Such criteria can be used to simplify the time-consuming procedure for collecting primary data on PL cases for machine learning.
      PubDate: 2022-04-01
       
  • Features of Development of a Supercell Convective Cloud at the Stage of
           Maximum Lightning Activity (August 19, 2015, the North Caucasus)

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      Abstract: The development of a powerful supercell cloud is considered, from which large hail and a shower of catastrophic intensity have fallen for a long time. The analysis of radar and lightning-detection characteristics showed the presence of local extremes of intensity and currents of cloud-to-cloud and cloud-to-ground lightning discharges and allowed evaluating areas and intensities of hail, as well as cloud volumes with ice graupels of low and high density. The maximum values of thunderstorm characteristics occurred 1.5 hours after the mass and volume of the cloud with low-density graupels had reached their maxima. The maximum mass and volume of high-density graupels, the intensity and area of hail were reached approximately 2 hours later than the maximum thunderstorm characteristics.
      PubDate: 2022-04-01
       
  • Retrieval of Total Precipitable Water from Meteor-M No. 2-2 MTVZA-GYa Data
           Using a Neural Network Algorithm

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      Abstract: The paper presents the application of the artificial neural network algorithm for the retrieval of total precipitable water in the atmosphere over water and land from the measurements of MTVZA-GYa microwave radiometer on board the Meteor-M No. 2-2 satellite. Satellite-based estimates of total precipitable water were compared with radiosonde and AERONET data, as well as with the ECMWF numerical weather prediction model output. According to the comparison, the root-mean-square error (RMSE) does not exceed 4.5 mm for radiosonde data and is less than 4 mm for the ECMWF and AERONET data. The best accuracy is provided over water with the RMSE not exceeding 3 mm. The total precipitable water estimates retrieved from MTVZA-GYa and NOAA-20/ATMS radiometer data are consistent over water, while the MTVZA-GYa based estimates are more accurate over land.
      PubDate: 2022-04-01
       
  • Polar Mesoscale Cyclone Climatology for the Eastern Sector of the Eurasian
           Arctic Based on the Arctic System Reanalysis

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      Abstract: Statistical characteristics of polar mesocyclones (PMCs) generated over the Russian northern seas, east of Novaya Zemlya (the Kara, Laptev, and East Siberian seas) were obtained from the Arctic System Reanalysis (ASR) data. The Okubo–Weiss criterion supplemented by a limitation on the horizontal size of the cyclone was used to identify mesoscale cyclones. It is shown that the annual variations in the number of mesocyclones are characterized by a summer maximum, and the monthly mean intensity of mesocyclones is the highest in autumn. The prevailing directions of movement of polar mesocyclones over each of the three seas are considered. It is demonstrated that during PMCs generation atmospheric fields are characterized by the synoptic near-surface depression, which leads to the transport of relatively warm air from the land to the sea and determines the development of polar mesocyclones over the sea. At the same time, heat fluxes from the sea surface in the mesocyclones are on average small.
      PubDate: 2022-04-01
       
  • Variability of Total Precipitable Water over the North Atlantic and North
           Pacific According to Satellite Microwave Sounding

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      Abstract: Latitudinal and interannual variability of tropospheric total precipitable water (TPW) over the North Atlantic and North Pacific is investigated using a collection of monthly digital maps based on microwave sounding onboard the DMSP satellites in 1988–2020. It is shown that in the Pacific region the TPW was growing linearly, and its increase during the period under consideration reached 1.5 mm. In the atmosphere over the North Atlantic until the early 2000s, the amount of water vapor was also increasing quite rapidly, with a total increase of about 2.5 mm. However, in the subsequent decades, the trend slowed down, reaching a certain plateau. In the Atlantic sector, eight winters were found in interannual variability, which were characterized by a significantly weak transfer of atmospheric heat and moisture from low to high latitudes. They all correspond to the years of the solar activity decline phase.
      PubDate: 2022-04-01
       
  • Interannual Variability of Thermal Conditions in the Kuroshio
           Energetically Active Zone and Adjacent Areas of the Philippine Sea

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      Abstract: Regional features and possible causal relationships of interannual changes in air temperature, sea surface temperature (SST), and water temperature in the upper 750-m layer with variations in atmospheric pressure, wind, heat fluxes on the ocean surface, and climate indices over the last four decades were determined. It is shown that in different regions of the Philippine Sea air temperature increased by 0.2–0.5°C and SST rose by 0.6–0.8°C. In several layers of the water column, there are multidirectional trends in water temperature. In winter, in the area of the Kuroshio energetically active zone of the ocean (EAZO), both maximum fluxes and trends in sensible and latent heat from the ocean to the atmosphere were recorded. The variations in air temperature and SST have stable correlations with variations in the zonal and meridional components of wind speed and climate indices.
      PubDate: 2022-04-01
       
  • Retrieval of Total Column Carbon Dioxide over Russia from Meteor-M No. 2
           Satellite Data

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      Abstract: A description is given of the method for the retrieval of atmospheric column-averaged dry-air mole fractions of carbon dioxide (XCO2) from the data of IKFS-2 infrared Fourier spectrometer on board the Meteor-M Russian meteorological satellites. The method is based on estimating XCO2 using a second-order regression, whose predictors are the effective spectral optical depths of the atmosphere in the infrared region of 8–14  \(\mu\) m. The optical depth is determined using spectral intensities of outgoing radiation measured by the IKFS-2 as well as the calculated intensities of the Earth’s surface or cloud top simulated as a gray body with temperature  \(T_\mathrm{s}\) . The temperature \(T_\mathrm{s}\)  is retrieved from IKFS-2 measurements within the atmospheric microwindow at the wave number equal to 900.1 cm \(^{-1}\) . The reference XCO2 values for constructing the regression were the results of contact CO2 measurements on the tall tower at the ZOTTO international observatory (Central Siberia) and at the NOAA observatory on the Mauna Loa volcano (Hawaii) in 2015–2016. The methodology was validated by comparing the XCO2 retrieved from Meteor-M No. 2 IKFS-2 measurements with parallel measurements over Siberia by the OCO and CrIS satellite spectrometers on board the OCO-2 and NOAA-20 satellites (USA). The maximum discrepancies in the daily estimates of the spatially averaged XCO2 during October 9–19, 2021 derived from the IKFS-2 data do not exceed 2.3 ppm versus the OCO data and 5 ppm versus the CrIS data.
      PubDate: 2022-04-01
       
  • Effects of High Aerosol Air Pollution on the Evolution of Convective
           Clouds during a Thunderstorm in China According to Three-dimensional
           Numerical Simulations

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      Abstract: Numerical simulation of evolution of a convective cloud and precipitation during a thunderstorm event that took place on August 11, 2017 in Beijing (China) against a background of high aerosol air pollution was performed using a numerical nonstationary three-dimensional model. Different microphysical parameters of drops and ice particles which depend on aerosol pollution of the atmosphere, were varied: an autoconversion threshold for cloud droplets and raindrops and parameters of raindrop and hailstone size distribution. It was found for this case that liquid drops do not play a significant role in the convective cloud evolution. The effect of aerosol pollution both on the raindrop size spectrum and on the transition of cloud droplets to raindrops does not influence significantly dynamic, microphysical and electrical properties of the cloud. At the same time, the change in the ice particle spectrum towards the size decrease that happens under the influence of increased aerosol pollution, has a significant impact on the evolution of the cloud and precipitation. The amount of precipitation decreases both within the cloud and on the underlying surface. However, the lightning activity of the cloud changes little.
      PubDate: 2022-03-01
       
  • Quality of Soil Simulation by the INM RAS–MSU Soil Scheme as a Part of
           the SL-AV Weather Prediction Model

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      Abstract: In situ soil moisture and temperature observations are used to evaluate soil moisture and temperature analysis of the global atmospheric model SL-AV for the summer season of 2014 across Western Europe. It is shown that the seasonal temperature analysis trends are reproduced better than the seasonal trends of soil moisture. Numerical experiments with the offline land surface scheme demonstrated that the implementation of the Mualem–van Genuchten water retention curve has the advantage for describing the processes of soil moisture transfer in comparison with Brooks–Corey parameterization. The last one is used in the basic version of the model. The Mualem–van Genuchten function provides better computational stability of the soil model in case of soils with high coarse grain content. An important contribution to the soil moisture error in the analysis and forecast is caused by specifying an inaccurate profile of the soil granulometric composition. It indicates a need to involve state-of-the-art databases for soil characteristics.
      PubDate: 2022-03-01
       
  • Greenhouse Gas Emissions from Peat Extraction in the Center of the
           European Part of Russia

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      Abstract: The carbon dioxide (CO2), methane (CH4), and nitrous oxide (N2O) fluxes measured at a peat extraction site in the Moscow region in different seasons of 2005–2015 are considered. The average daily (taking into account intradaily dynamics) and average annual fluxes (emission factors) of CO2, CH4, and N2O from the interditch spacing (including microscale elevations and depressions) and drainage channels were estimated. The values of CO2 and N2O fluxes from the main interditch surface were equal to 3.3 t C-CO2/(ha year) and 1.1 kg N-N2O/(ha year), respectively; the value of the CH4 flux from the channel was 3200 kg CH4/(ha year). The resulting estimates are consistent with the default emission factors proposed for the “peatland under extraction” land category by the 2013 Supplement to the IPCC 2006 Guidelines for National Greenhouse Gas Inventories: Wetlands. The results can be used for preparing the national report of the Russian Federation on the emission and absorption of greenhouse gases not controlled by the Montreal Protocol.
      PubDate: 2022-03-01
       
  • Modeling Surface Air Pollution with Reduced Emissions during the COVID-19
           Pandemic Using CHIMERE and COSMO-ART Chemical Transport Models

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      Abstract: The results of numerical modeling of air pollution using CHIMERE and COSMO-ART chemical transport models are presented. The modeling was performed according to the scenarios of the 50–60% reduction of emissions from anthropogenic sources in the Moscow region during the period of March–July 2020. Scenario calculations of pollutant concentrations were compared with baseline simulations using regionally adapted inventory of anthropogenic pollutant emissions to the atmosphere. The most significant decrease in the concentrations of NO2 and CO was reproduced by the models when emissions from two sectoral sources (vehicles and nonindustrial plants) were reduced. The PM10 drop was mostly influenced by the reduction of emissions from industrial combustion. With the total reduction of emissions from anthropogenic sources as compared to the baseline calculations, the pollutant concentration decreased by 44–54% for NO2, by 38–44% for CO, and by 26–39% for PM10. This generally coincides with the quantitative estimates of the pollution level drop obtained by other authors. The greatest effect of reducing pollutant emissions into the atmosphere was found during the episodes of adverse weather conditions for air purification, when the simulated and observed pollution level increases by 3–5 times as compared to the conditions of intense pollutant dispersion.
      PubDate: 2022-03-01
       
 
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